Twain, Mark (pen name of Samuel Clemens) (1835-1910) American humorist
whose pseudonym was adopted from his days as a Mississippi steamboat pilot,
"mark twain" meaning "two fathoms deep." He introduced colloquial speech
into American writing and was the most popular writer of his time.
A Connecticut Yankee in King Arthur's Court (1889)
A Connecticut mechanic awakens, after being knocked out during a
fight, in the sixth century England and finds himself at King
Arthur's court in Camelot where he is condemned to death. This
work is a Twain classic.